Louis Small Rockwell Hardness Tester (SOLD AS-IS - NO WARRANTY)
Louis Small Rockwell Hardness Tester (SOLD AS-IS - NO WARRANTY)
Rockwell mod. 3PR, Hardness Tester
ROCKWELL HARDNESS TESTER MODEL # 3JR SERIAL # 3JR4765 (#180)
Wilson 3JR Rockwell Hardness Tester S/N 3JR 4485
WILSON 1JR ROCKWELL HARDNESS TESTER WITH ACCESSORIES
WILSON 4JS ROCKWELL HARDNESS TESTER WITH ACCESSORIES